Home / 5,275.74-7,280.91-3,037.86

Finding the Fourth Proportional to 5,275.74, 7,280.91 and 3,037.86

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Solution

The fourth proportional to 5,275.74, 7,280.91 and 3,037.86 is: 4,192.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,275.74 : 7,280.91 = 3,037.86 : x
  2. Step 2: Convert to fraction form
    5,275.74/7,280.91 = 3,037.86/x
  3. Step 3: Cross multiply
    5,275.74x = 7,280.91 × 3,037.86
  4. Step 4: Simplify right side
    5,275.74x = 22,118,385.25
  5. Step 5: Solve for x
    x = 22,118,385.25/5,275.74
  6. Step 6: Final answer
    x = 4,192.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.