Home / 4,587.50-6,330.75-2,491.67

Finding the Fourth Proportional to 4,587.50, 6,330.75 and 2,491.67

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Solution

The fourth proportional to 4,587.50, 6,330.75 and 2,491.67 is: 3,438.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,587.50 : 6,330.75 = 2,491.67 : x
  2. Step 2: Convert to fraction form
    4,587.50/6,330.75 = 2,491.67/x
  3. Step 3: Cross multiply
    4,587.50x = 6,330.75 × 2,491.67
  4. Step 4: Simplify right side
    4,587.50x = 15,774,139.85
  5. Step 5: Solve for x
    x = 15,774,139.85/4,587.50
  6. Step 6: Final answer
    x = 3,438.50

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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.