Home / 4,116.48-6,174.40-1,038.40

Finding the Fourth Proportional to 4,116.48, 6,174.40 and 1,038.40

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Solution

The fourth proportional to 4,116.48, 6,174.40 and 1,038.40 is: 1,557.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,116.48 : 6,174.40 = 1,038.40 : x
  2. Step 2: Convert to fraction form
    4,116.48/6,174.40 = 1,038.40/x
  3. Step 3: Cross multiply
    4,116.48x = 6,174.40 × 1,038.40
  4. Step 4: Simplify right side
    4,116.48x = 6,411,496.96
  5. Step 5: Solve for x
    x = 6,411,496.96/4,116.48
  6. Step 6: Final answer
    x = 1,557.52

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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.