Home / 4,966.72-6,852.40-2,870.08

Finding the Fourth Proportional to 4,966.72, 6,852.40 and 2,870.08

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Solution

The fourth proportional to 4,966.72, 6,852.40 and 2,870.08 is: 3,959.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,966.72 : 6,852.40 = 2,870.08 : x
  2. Step 2: Convert to fraction form
    4,966.72/6,852.40 = 2,870.08/x
  3. Step 3: Cross multiply
    4,966.72x = 6,852.40 × 2,870.08
  4. Step 4: Simplify right side
    4,966.72x = 19,666,936.19
  5. Step 5: Solve for x
    x = 19,666,936.19/4,966.72
  6. Step 6: Final answer
    x = 3,959.74

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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.