Home / 4,140.12-6,213.54-2,386.98

Finding the Fourth Proportional to 4,140.12, 6,213.54 and 2,386.98

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Solution

The fourth proportional to 4,140.12, 6,213.54 and 2,386.98 is: 3,582.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,140.12 : 6,213.54 = 2,386.98 : x
  2. Step 2: Convert to fraction form
    4,140.12/6,213.54 = 2,386.98/x
  3. Step 3: Cross multiply
    4,140.12x = 6,213.54 × 2,386.98
  4. Step 4: Simplify right side
    4,140.12x = 14,831,595.71
  5. Step 5: Solve for x
    x = 14,831,595.71/4,140.12
  6. Step 6: Final answer
    x = 3,582.41

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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.