Home / 6,007.48-8,289.71-4,120.67

Finding the Fourth Proportional to 6,007.48, 8,289.71 and 4,120.67

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Solution

The fourth proportional to 6,007.48, 8,289.71 and 4,120.67 is: 5,686.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,007.48 : 8,289.71 = 4,120.67 : x
  2. Step 2: Convert to fraction form
    6,007.48/8,289.71 = 4,120.67/x
  3. Step 3: Cross multiply
    6,007.48x = 8,289.71 × 4,120.67
  4. Step 4: Simplify right side
    6,007.48x = 34,159,159.31
  5. Step 5: Solve for x
    x = 34,159,159.31/6,007.48
  6. Step 6: Final answer
    x = 5,686.11

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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.