Home / 5,027.50-6,937.95-2,931.22

Finding the Fourth Proportional to 5,027.50, 6,937.95 and 2,931.22

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Solution

The fourth proportional to 5,027.50, 6,937.95 and 2,931.22 is: 4,045.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,027.50 : 6,937.95 = 2,931.22 : x
  2. Step 2: Convert to fraction form
    5,027.50/6,937.95 = 2,931.22/x
  3. Step 3: Cross multiply
    5,027.50x = 6,937.95 × 2,931.22
  4. Step 4: Simplify right side
    5,027.50x = 20,336,657.80
  5. Step 5: Solve for x
    x = 20,336,657.80/5,027.50
  6. Step 6: Final answer
    x = 4,045.08

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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.