Home / 4,927.50-6,812.10-4,720.95

Finding the Fourth Proportional to 4,927.50, 6,812.10 and 4,720.95

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Solution

The fourth proportional to 4,927.50, 6,812.10 and 4,720.95 is: 6,526.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,927.50 : 6,812.10 = 4,720.95 : x
  2. Step 2: Convert to fraction form
    4,927.50/6,812.10 = 4,720.95/x
  3. Step 3: Cross multiply
    4,927.50x = 6,812.10 × 4,720.95
  4. Step 4: Simplify right side
    4,927.50x = 32,159,583.50
  5. Step 5: Solve for x
    x = 32,159,583.50/4,927.50
  6. Step 6: Final answer
    x = 6,526.55

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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.