Home / 2,977.14-4,109.04-1,798.32

Finding the Fourth Proportional to 2,977.14, 4,109.04 and 1,798.32

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Solution

The fourth proportional to 2,977.14, 4,109.04 and 1,798.32 is: 2,482.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,977.14 : 4,109.04 = 1,798.32 : x
  2. Step 2: Convert to fraction form
    2,977.14/4,109.04 = 1,798.32/x
  3. Step 3: Cross multiply
    2,977.14x = 4,109.04 × 1,798.32
  4. Step 4: Simplify right side
    2,977.14x = 7,389,368.81
  5. Step 5: Solve for x
    x = 7,389,368.81/2,977.14
  6. Step 6: Final answer
    x = 2,482.04

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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.