Home / 5,498.71-8,248.35-1,603.42

Finding the Fourth Proportional to 5,498.71, 8,248.35 and 1,603.42

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Solution

The fourth proportional to 5,498.71, 8,248.35 and 1,603.42 is: 2,405.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,498.71 : 8,248.35 = 1,603.42 : x
  2. Step 2: Convert to fraction form
    5,498.71/8,248.35 = 1,603.42/x
  3. Step 3: Cross multiply
    5,498.71x = 8,248.35 × 1,603.42
  4. Step 4: Simplify right side
    5,498.71x = 13,225,569.36
  5. Step 5: Solve for x
    x = 13,225,569.36/5,498.71
  6. Step 6: Final answer
    x = 2,405.21

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.