Home / 5,289.49-7,895.60-4,904.02

Finding the Fourth Proportional to 5,289.49, 7,895.60 and 4,904.02

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Solution

The fourth proportional to 5,289.49, 7,895.60 and 4,904.02 is: 7,320.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,289.49 : 7,895.60 = 4,904.02 : x
  2. Step 2: Convert to fraction form
    5,289.49/7,895.60 = 4,904.02/x
  3. Step 3: Cross multiply
    5,289.49x = 7,895.60 × 4,904.02
  4. Step 4: Simplify right side
    5,289.49x = 38,720,180.31
  5. Step 5: Solve for x
    x = 38,720,180.31/5,289.49
  6. Step 6: Final answer
    x = 7,320.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.