Home / 5,050.61-6,969.35-2,812.40

Finding the Fourth Proportional to 5,050.61, 6,969.35 and 2,812.40

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Solution

The fourth proportional to 5,050.61, 6,969.35 and 2,812.40 is: 3,880.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,050.61 : 6,969.35 = 2,812.40 : x
  2. Step 2: Convert to fraction form
    5,050.61/6,969.35 = 2,812.40/x
  3. Step 3: Cross multiply
    5,050.61x = 6,969.35 × 2,812.40
  4. Step 4: Simplify right side
    5,050.61x = 19,600,585.88
  5. Step 5: Solve for x
    x = 19,600,585.88/5,050.61
  6. Step 6: Final answer
    x = 3,880.84

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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.