Home / 5,129.55-7,675.59-4,737.51

Finding the Fourth Proportional to 5,129.55, 7,675.59 and 4,737.51

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Solution

The fourth proportional to 5,129.55, 7,675.59 and 4,737.51 is: 7,088.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,129.55 : 7,675.59 = 4,737.51 : x
  2. Step 2: Convert to fraction form
    5,129.55/7,675.59 = 4,737.51/x
  3. Step 3: Cross multiply
    5,129.55x = 7,675.59 × 4,737.51
  4. Step 4: Simplify right side
    5,129.55x = 36,363,184.38
  5. Step 5: Solve for x
    x = 36,363,184.38/5,129.55
  6. Step 6: Final answer
    x = 7,088.96

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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.