Home / 6,130.48-8,455.26-5,423.08

Finding the Fourth Proportional to 6,130.48, 8,455.26 and 5,423.08

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Solution

The fourth proportional to 6,130.48, 8,455.26 and 5,423.08 is: 7,479.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,130.48 : 8,455.26 = 5,423.08 : x
  2. Step 2: Convert to fraction form
    6,130.48/8,455.26 = 5,423.08/x
  3. Step 3: Cross multiply
    6,130.48x = 8,455.26 × 5,423.08
  4. Step 4: Simplify right side
    6,130.48x = 45,853,551.40
  5. Step 5: Solve for x
    x = 45,853,551.40/6,130.48
  6. Step 6: Final answer
    x = 7,479.60

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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.