Home / 4,647.20-6,970.76-1,184.72

Finding the Fourth Proportional to 4,647.20, 6,970.76 and 1,184.72

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Solution

The fourth proportional to 4,647.20, 6,970.76 and 1,184.72 is: 1,777.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,647.20 : 6,970.76 = 1,184.72 : x
  2. Step 2: Convert to fraction form
    4,647.20/6,970.76 = 1,184.72/x
  3. Step 3: Cross multiply
    4,647.20x = 6,970.76 × 1,184.72
  4. Step 4: Simplify right side
    4,647.20x = 8,258,398.79
  5. Step 5: Solve for x
    x = 8,258,398.79/4,647.20
  6. Step 6: Final answer
    x = 1,777.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.