Home / 2,075.32-2,864.01-1,191.19

Finding the Fourth Proportional to 2,075.32, 2,864.01 and 1,191.19

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Solution

The fourth proportional to 2,075.32, 2,864.01 and 1,191.19 is: 1,643.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,075.32 : 2,864.01 = 1,191.19 : x
  2. Step 2: Convert to fraction form
    2,075.32/2,864.01 = 1,191.19/x
  3. Step 3: Cross multiply
    2,075.32x = 2,864.01 × 1,191.19
  4. Step 4: Simplify right side
    2,075.32x = 3,411,580.07
  5. Step 5: Solve for x
    x = 3,411,580.07/2,075.32
  6. Step 6: Final answer
    x = 1,643.88

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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.