Home / 5,384.85-7,433.67-3,146.01

Finding the Fourth Proportional to 5,384.85, 7,433.67 and 3,146.01

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Solution

The fourth proportional to 5,384.85, 7,433.67 and 3,146.01 is: 4,343.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,384.85 : 7,433.67 = 3,146.01 : x
  2. Step 2: Convert to fraction form
    5,384.85/7,433.67 = 3,146.01/x
  3. Step 3: Cross multiply
    5,384.85x = 7,433.67 × 3,146.01
  4. Step 4: Simplify right side
    5,384.85x = 23,386,400.16
  5. Step 5: Solve for x
    x = 23,386,400.16/5,384.85
  6. Step 6: Final answer
    x = 4,343.00

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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.