Home / 4,688.02-7,031.67-2,219.14

Finding the Fourth Proportional to 4,688.02, 7,031.67 and 2,219.14

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Solution

The fourth proportional to 4,688.02, 7,031.67 and 2,219.14 is: 3,328.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,688.02 : 7,031.67 = 2,219.14 : x
  2. Step 2: Convert to fraction form
    4,688.02/7,031.67 = 2,219.14/x
  3. Step 3: Cross multiply
    4,688.02x = 7,031.67 × 2,219.14
  4. Step 4: Simplify right side
    4,688.02x = 15,604,260.16
  5. Step 5: Solve for x
    x = 15,604,260.16/4,688.02
  6. Step 6: Final answer
    x = 3,328.54

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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.