Home / 5,079.02-7,012.13-3,313.70

Finding the Fourth Proportional to 5,079.02, 7,012.13 and 3,313.70

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Solution

The fourth proportional to 5,079.02, 7,012.13 and 3,313.70 is: 4,574.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,079.02 : 7,012.13 = 3,313.70 : x
  2. Step 2: Convert to fraction form
    5,079.02/7,012.13 = 3,313.70/x
  3. Step 3: Cross multiply
    5,079.02x = 7,012.13 × 3,313.70
  4. Step 4: Simplify right side
    5,079.02x = 23,236,095.18
  5. Step 5: Solve for x
    x = 23,236,095.18/5,079.02
  6. Step 6: Final answer
    x = 4,574.92

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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.