Home / 5,281.48-7,289.21-3,042.92

Finding the Fourth Proportional to 5,281.48, 7,289.21 and 3,042.92

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Solution

The fourth proportional to 5,281.48, 7,289.21 and 3,042.92 is: 4,199.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,281.48 : 7,289.21 = 3,042.92 : x
  2. Step 2: Convert to fraction form
    5,281.48/7,289.21 = 3,042.92/x
  3. Step 3: Cross multiply
    5,281.48x = 7,289.21 × 3,042.92
  4. Step 4: Simplify right side
    5,281.48x = 22,180,482.89
  5. Step 5: Solve for x
    x = 22,180,482.89/5,281.48
  6. Step 6: Final answer
    x = 4,199.67

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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.