Home / 5,478.48-7,558.80-5,301.06

Finding the Fourth Proportional to 5,478.48, 7,558.80 and 5,301.06

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Solution

The fourth proportional to 5,478.48, 7,558.80 and 5,301.06 is: 7,314.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,478.48 : 7,558.80 = 5,301.06 : x
  2. Step 2: Convert to fraction form
    5,478.48/7,558.80 = 5,301.06/x
  3. Step 3: Cross multiply
    5,478.48x = 7,558.80 × 5,301.06
  4. Step 4: Simplify right side
    5,478.48x = 40,069,652.33
  5. Step 5: Solve for x
    x = 40,069,652.33/5,478.48
  6. Step 6: Final answer
    x = 7,314.01

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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.