Home / 5,448.75-8,127.89-5,266.53

Finding the Fourth Proportional to 5,448.75, 8,127.89 and 5,266.53

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Solution

The fourth proportional to 5,448.75, 8,127.89 and 5,266.53 is: 7,856.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,448.75 : 8,127.89 = 5,266.53 : x
  2. Step 2: Convert to fraction form
    5,448.75/8,127.89 = 5,266.53/x
  3. Step 3: Cross multiply
    5,448.75x = 8,127.89 × 5,266.53
  4. Step 4: Simplify right side
    5,448.75x = 42,805,750.19
  5. Step 5: Solve for x
    x = 42,805,750.19/5,448.75
  6. Step 6: Final answer
    x = 7,856.07

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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.