Home / 5,351.24-7,386.74-4,790.70

Finding the Fourth Proportional to 5,351.24, 7,386.74 and 4,790.70

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Solution

The fourth proportional to 5,351.24, 7,386.74 and 4,790.70 is: 6,612.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,351.24 : 7,386.74 = 4,790.70 : x
  2. Step 2: Convert to fraction form
    5,351.24/7,386.74 = 4,790.70/x
  3. Step 3: Cross multiply
    5,351.24x = 7,386.74 × 4,790.70
  4. Step 4: Simplify right side
    5,351.24x = 35,387,631.36
  5. Step 5: Solve for x
    x = 35,387,631.36/5,351.24
  6. Step 6: Final answer
    x = 6,612.98

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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.