Home / 4,555.30-6,831.99-2,214.30

Finding the Fourth Proportional to 4,555.30, 6,831.99 and 2,214.30

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Solution

The fourth proportional to 4,555.30, 6,831.99 and 2,214.30 is: 3,320.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,555.30 : 6,831.99 = 2,214.30 : x
  2. Step 2: Convert to fraction form
    4,555.30/6,831.99 = 2,214.30/x
  3. Step 3: Cross multiply
    4,555.30x = 6,831.99 × 2,214.30
  4. Step 4: Simplify right side
    4,555.30x = 15,128,075.46
  5. Step 5: Solve for x
    x = 15,128,075.46/4,555.30
  6. Step 6: Final answer
    x = 3,320.98

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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.