Home / 5,358.51-7,394.67-3,000.74

Finding the Fourth Proportional to 5,358.51, 7,394.67 and 3,000.74

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Solution

The fourth proportional to 5,358.51, 7,394.67 and 3,000.74 is: 4,140.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,358.51 : 7,394.67 = 3,000.74 : x
  2. Step 2: Convert to fraction form
    5,358.51/7,394.67 = 3,000.74/x
  3. Step 3: Cross multiply
    5,358.51x = 7,394.67 × 3,000.74
  4. Step 4: Simplify right side
    5,358.51x = 22,189,482.06
  5. Step 5: Solve for x
    x = 22,189,482.06/5,358.51
  6. Step 6: Final answer
    x = 4,140.98

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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.