Home / 7,925.85-10,937.63-4,389.05

Finding the Fourth Proportional to 7,925.85, 10,937.63 and 4,389.05

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Solution

The fourth proportional to 7,925.85, 10,937.63 and 4,389.05 is: 6,056.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,925.85 : 10,937.63 = 4,389.05 : x
  2. Step 2: Convert to fraction form
    7,925.85/10,937.63 = 4,389.05/x
  3. Step 3: Cross multiply
    7,925.85x = 10,937.63 × 4,389.05
  4. Step 4: Simplify right side
    7,925.85x = 48,005,843.27
  5. Step 5: Solve for x
    x = 48,005,843.27/7,925.85
  6. Step 6: Final answer
    x = 6,056.87

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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.