Home / 5,987.98-8,271.48-5,429.08

Finding the Fourth Proportional to 5,987.98, 8,271.48 and 5,429.08

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Solution

The fourth proportional to 5,987.98, 8,271.48 and 5,429.08 is: 7,499.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,987.98 : 8,271.48 = 5,429.08 : x
  2. Step 2: Convert to fraction form
    5,987.98/8,271.48 = 5,429.08/x
  3. Step 3: Cross multiply
    5,987.98x = 8,271.48 × 5,429.08
  4. Step 4: Simplify right side
    5,987.98x = 44,906,526.64
  5. Step 5: Solve for x
    x = 44,906,526.64/5,987.98
  6. Step 6: Final answer
    x = 7,499.44

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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.