Home / 2,457.50-3,686.25-702.53

Finding the Fourth Proportional to 2,457.50, 3,686.25 and 702.53

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Solution

The fourth proportional to 2,457.50, 3,686.25 and 702.53 is: 1,053.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,457.50 : 3,686.25 = 702.53 : x
  2. Step 2: Convert to fraction form
    2,457.50/3,686.25 = 702.53/x
  3. Step 3: Cross multiply
    2,457.50x = 3,686.25 × 702.53
  4. Step 4: Simplify right side
    2,457.50x = 2,589,682.78
  5. Step 5: Solve for x
    x = 2,589,682.78/2,457.50
  6. Step 6: Final answer
    x = 1,053.79

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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.