Home / 5,988.98-8,272.86-5,430.08

Finding the Fourth Proportional to 5,988.98, 8,272.86 and 5,430.08

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Solution

The fourth proportional to 5,988.98, 8,272.86 and 5,430.08 is: 7,500.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,988.98 : 8,272.86 = 5,430.08 : x
  2. Step 2: Convert to fraction form
    5,988.98/8,272.86 = 5,430.08/x
  3. Step 3: Cross multiply
    5,988.98x = 8,272.86 × 5,430.08
  4. Step 4: Simplify right side
    5,988.98x = 44,922,291.63
  5. Step 5: Solve for x
    x = 44,922,291.63/5,988.98
  6. Step 6: Final answer
    x = 7,500.83

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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.