Home / 5,008.40-7,483.96-3,815.89

Finding the Fourth Proportional to 5,008.40, 7,483.96 and 3,815.89

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Solution

The fourth proportional to 5,008.40, 7,483.96 and 3,815.89 is: 5,702.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,008.40 : 7,483.96 = 3,815.89 : x
  2. Step 2: Convert to fraction form
    5,008.40/7,483.96 = 3,815.89/x
  3. Step 3: Cross multiply
    5,008.40x = 7,483.96 × 3,815.89
  4. Step 4: Simplify right side
    5,008.40x = 28,557,955.81
  5. Step 5: Solve for x
    x = 28,557,955.81/5,008.40
  6. Step 6: Final answer
    x = 5,702.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.