Home / 5,120.04-7,675.18-2,925.74

Finding the Fourth Proportional to 5,120.04, 7,675.18 and 2,925.74

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Solution

The fourth proportional to 5,120.04, 7,675.18 and 2,925.74 is: 4,385.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,120.04 : 7,675.18 = 2,925.74 : x
  2. Step 2: Convert to fraction form
    5,120.04/7,675.18 = 2,925.74/x
  3. Step 3: Cross multiply
    5,120.04x = 7,675.18 × 2,925.74
  4. Step 4: Simplify right side
    5,120.04x = 22,455,581.13
  5. Step 5: Solve for x
    x = 22,455,581.13/5,120.04
  6. Step 6: Final answer
    x = 4,385.82

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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.